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The Anatomy of the Heart. It is divided by a partition or septum into two halves, and the halves are in turn divided into four chambers. The heart is situated within the chest cavity and surrounded by a fluid filled sac called the pericardium. This amazing muscle produces electrical impulses that cause the heart to contract,…
Human Heart (Anatomy): Diagram, Function, Chambers, Location in Body WebMD’s Heart Anatomy Page provides a detailed image of the heart and provides information on heart conditions, tests, and treatments.